1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineFunction.cpp b/llvm/lib/CodeGen/MachineFunction.cpp
index 4612690..e59e1fb7 100644
--- a/llvm/lib/CodeGen/MachineFunction.cpp
+++ b/llvm/lib/CodeGen/MachineFunction.cpp
@@ -271,6 +271,16 @@ getOrCreateJumpTableInfo(unsigned EntryKind) {
 }
 
 DenormalMode MachineFunction::getDenormalMode(const fltSemantics &FPType) const {
+  if (&FPType == &APFloat::IEEEsingle()) {
+    Attribute Attr = F.getFnAttribute("denormal-fp-math-f32");
+    StringRef Val = Attr.getValueAsString();
+    if (!Val.empty())
+      return parseDenormalFPAttribute(Val);
+
+    // If the f32 variant of the attribute isn't specified, try to use the
+    // generic one.
+  }
+
   // TODO: Should probably avoid the connection to the IR and store directly
   // in the MachineFunction.
   Attribute Attr = F.getFnAttribute("denormal-fp-math");